Knock Control Sensor (FA20): Removal

WARNING: This page is about a different car, the 2014 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.

Disconnection of the battery ground terminal (Refer to WORKING PRECAUTIONS AND NOTES )
Removal of intake manifold (Refer to DISASSEMBLY )
Removal of knock control sensor
1. Disconnect 2 connectors for knock control sensor.
2. Remove 2 bolts, and remove the 2 knock control sensors.
  
  Fig 1: Locating Knock Control Sensor Connector And Bolts
  Courtesy of SUBARU OF AMERICA, INC.